logo

CuriousTab

CuriousTab

Discussion


Home C Programming C Preprocessor See What Others Are Saying!
  • Question
  • Macros have a local scope.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    Explanation
    False, The scope of macros is globals and functions. Also the scope of macros is only from the point of definition to the end of the file.

    More questions

    • 1. It is necessary that a header files should have a .h extension?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 2. Bitwise | can be used to set multiple bits in number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. Bitwise & can be used to check if a bit in number is set or not.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A pointer union CANNOT be created

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. What will be the output of the program?
      #include<stdio.h>
      #include<stdlib.h>
      
      int main()
      {
          union test
          {
              int i;
              float f;
              char c;
          };
          union test *t;
          t = (union test *)malloc(sizeof(union test));
          t->f = 10.10f;
          printf("%f", t->f);
          return 0;
      }
      

    • Options
    • A. 10
    • B. Garbage value
    • C. 10.100000
    • D. Error
    • Discuss
    • 6. What will be the output of the program?
      #include<stdio.h>
      int main()
      {
          int x=4, y, z;
          y = --x;
          z = x--;
          printf("%d, %d, %d\n", x, y, z);
          return 0;
      }
      

    • Options
    • A. 4, 3, 3
    • B. 4, 3, 2
    • C. 3, 3, 2
    • D. 2, 3, 3
    • Discuss
    • 7. Functions cannot return a floating point number

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 8. What will be the output of the program?
      #include<stdio.h>
      int main()
      {
          int a=100, b=200, c;
          c = (a == 100 || b > 200);
          printf("c=%d\n", c);
          return 0;
      }
      

    • Options
    • A. c=100
    • B. c=200
    • C. c=1
    • D. c=300
    • Discuss
    • 9. What will be the output of the program?
      #include<stdio.h>
      int main()
      {
          int x=55;
          printf("%d, %d, %d\n", x<=55, x=40, x>=10);
          return 0;
      }
      

    • Options
    • A. 1, 40, 1
    • B. 1, 55, 1
    • C. 1, 55, 0
    • D. 1, 1, 1
    • Discuss
    • 10. What will be the output of the program?
      #include<stdio.h>
      
      int main()
      {
          void fun(char*);
          char a[100];
          a[0] = 'A'; a[1] = 'B';
          a[2] = 'C'; a[3] = 'D';
          fun(&a[0]);
          return 0;
      }
      void fun(char *a)
      {
          a++;
          printf("%c", *a);
          a++;
          printf("%c", *a);
      }
      

    • Options
    • A. AB
    • B. BC
    • C. CD
    • D. No output
    • Discuss


    Comments

    There are no comments.

Enter a new Comment